Lisa Is a Healthy Nonpregnant Adult Woman Who Recently Had

Lisa is a healthy nonpregnant adult woman who recently had a UTI. She is asking about drinking cranberry juice to prevent a recurrence of the UTI. The correct answer to give her would be:

A) Sixteen ounces per day of cranberry juice cocktail will prevent UTIs.
B) Cranberry juice will decrease UTIs.
C) There is no clear evidence that cranberry juice helps prevent UTIs.
D) Cranberry juice only works to prevent UTIs in children.